ABSTRAC The experiment effect of Weight of Rhizome and Atonik Concentration on Yield of Ginger had been carried since December, 03-1990 until April Ol - 1991. Its located at Mertoyudan, Magelang. The soil type latosol on altitude 340 m, and pH 6,0. The design was used factorial with Randomized Complete Block Design (RCBD), to consist of 2 factor and 3 replication. First f…